Home / 68,994.36-103,622.85-42,881.58

Finding the Fourth Proportional to 68,994.36, 103,622.85 and 42,881.58

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Solution

The fourth proportional to 68,994.36, 103,622.85 and 42,881.58 is: 64,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,994.36 : 103,622.85 = 42,881.58 : x
  2. Step 2: Convert to fraction form
    68,994.36/103,622.85 = 42,881.58/x
  3. Step 3: Cross multiply
    68,994.36x = 103,622.85 × 42,881.58
  4. Step 4: Simplify right side
    68,994.36x = 4,443,511,532.10
  5. Step 5: Solve for x
    x = 4,443,511,532.10/68,994.36
  6. Step 6: Final answer
    x = 64,403.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.